📝 PHP Practical Exam – Arrays

📌 Subject: PHP Programming

⏱ Time: 2 Hours

🎯 Total Marks: 50

✅ Section A: Basic Programs (10 Marks)

🔹 Q1 (5 Marks)

Create an indexed array of 5 numbers.

Print all elements
Print the sum of all numbers

🔹 Q2 (5 Marks)

Create an array of 5 fruits and display them using a for loop.

✅ Section B: Associative Arrays (10 Marks)

🔹 Q3 (5 Marks)

Create an associative array for a student:
(name, age, course)

Print all details using foreach

🔹 Q4 (5 Marks)

Create an associative array of subjects and marks.

Find and display the highest marks

✅ Section C: Multidimensional Arrays (10 Marks)

🔹 Q5 (5 Marks)

Create a multidimensional array of 3 students:
(name, age, course)

Print all student names

🔹 Q6 (5 Marks)

Display student data in this format:

Aditya - BCA  
Rahul - BSc  
Neha - MCA

✅ Section D: Array Functions (10 Marks)

🔹 Q7 (5 Marks)

Create an array of numbers:

Sort in ascending order
Sort in descending order

🔹 Q8 (5 Marks)

Merge two arrays and display the result.

✅ Section E: Logic-Based Questions (10 Marks)

🔹 Q9 (5 Marks)

Create an array of numbers.

Use array_filter() to display only even numbers

🔹 Q10 (5 Marks)

Use array_map() to create a new array with square of numbers.

🚀 Bonus Question (Optional – 5 Marks)

🔹 Q11

Create a simple search system:

Store 5 names in an array
Take user input
Check if name exists or not

🎯 Marking Scheme

Section	Marks
A	10
B	10
C	10
D	10
E	10
Bonus	+5

💡 Instructions for Students

Write clean and readable code
Use proper syntax
Output must be displayed clearly
Use comments where necessary

Full Answer Key (Solutions) – PHP Arrays Practical Exam

📝 ✅ Section A: Basic Programs

🔹 Q1 Solution

$numbers = [10, 20, 30, 40, 50];// Print elements
foreach ($numbers as $num) {
    echo $num . " ";
}// Sum
$sum = array_sum($numbers);
echo "<br>Sum: " . $sum;

🔹 Q2 Solution

$fruits = ["Apple", "Banana", "Mango", "Orange", "Grapes"];for ($i = 0; $i < count($fruits); $i++) {
    echo $fruits[$i] . "<br>";
}

📝 ✅ Section B: Associative Arrays

🔹 Q3 Solution

$student = [
    "name" => "Aditya",
    "age" => 22,
    "course" => "BCA"
];foreach ($student as $key => $value) {
    echo "$key: $value <br>";
}

🔹 Q4 Solution

$marks = [
    "Math" => 80,
    "Science" => 90,
    "English" => 75
];$max = max($marks);
echo "Highest Marks: " . $max;

📝 ✅ Section C: Multidimensional Arrays

🔹 Q5 Solution

$students = [
    ["Aditya", 22, "BCA"],
    ["Rahul", 21, "BSc"],
    ["Neha", 23, "MCA"]
];foreach ($students as $student) {
    echo $student[0] . "<br>";
}

🔹 Q6 Solution

$students = [
    ["Aditya", 22, "BCA"],
    ["Rahul", 21, "BSc"],
    ["Neha", 23, "MCA"]
];foreach ($students as $student) {
    echo $student[0] . " - " . $student[2] . "<br>";
}

📝 ✅ Section D: Array Functions

🔹 Q7 Solution

$numbers = [5, 2, 9, 1, 7];// Ascending
sort($numbers);
echo "Ascending: ";
print_r($numbers);// Descending
rsort($numbers);
echo "<br>Descending: ";
print_r($numbers);

🔹 Q8 Solution

$a = ["Red", "Blue"];
$b = ["Green", "Yellow"];$result = array_merge($a, $b);
print_r($result);

📝 ✅ Section E: Logic-Based Questions

🔹 Q9 Solution

$numbers = [1, 2, 3, 4, 5, 6];$even = array_filter($numbers, function($n) {
    return $n % 2 == 0;
});print_r($even);

🔹 Q10 Solution

$numbers = [1, 2, 3, 4];$square = array_map(function($n) {
    return $n * $n;
}, $numbers);print_r($square);

🚀 ✅ Bonus Solution

🔹 Q11 Solution (Search System)

$names = ["Aditya", "Rahul", "Neha", "Amit", "Priya"];$search = "Rahul"; // You can take user input hereif (in_array($search, $names)) {
    echo "Name found!";
} else {
    echo "Name not found!";
}

🎯 Extra Improvement (Advanced Version)

👉 With user input:

$names = ["Aditya", "Rahul", "Neha", "Amit", "Priya"];$search = $_GET['name'];if (in_array($search, $names)) {
    echo "Name found!";
} else {
    echo "Name not found!";
}

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